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Folders: ROOT > ScienceBase Catalog > National Geospatial Program > The National Map > National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection ( Show all descendants )

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The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD), the 10-meter 3D Elevation Program Digital Elevation Model (3DEP DEM), and the National Watershed Boundary Dataset (WBD). The NHDPlus HR combines the NHD, 3DEP DEMs, and WBD to create a stream network with linear referencing, feature naming, "value added attributes" (VAAs), elevation-derived catchments, and other features for hydrologic data analysis. The stream network with linear referencing is a system of data relationships applied to hydrographic systems so that one stream reach "flows" into another and "events" can be tied to and...
Types: Citation; Tags: Administrative watershed units, Area of Complex Channels, Area to be submerged, Basin, Bay/Inlet, All tags...
List of available extents: HU-8 Subbasin HU-4 Subregion State National
Categories: Data


    map background search result map search result map National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection